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Ch 2
Test Description: Physical Science
Instructions: Answer all questions to get your test result.
1) Which of the following is an example of a chemical change
A
ice melting
B
atom
C
paint fading
D
pounding gold into a coin
2) Digesting food is an example of
A
buoyancy
B
change of state
C
physical change
D
chemical change
3) A substance that cannot be broken down into simpler substances is a(n)
A
compound
B
mixture
C
element
D
atom
4) You put a spoonful of salt into 1 L of water and stir. The reulting liquid is an example of a(n)
A
immiscible mixture
B
homogeneous mixture
C
heterogeneous mixture
D
pure substance
5) Which of the following is an example of a chemical property
A
density
B
solubility in water
C
color
D
reactivity with oxygen
6) Which of the following is an example of a physical change
A
burning wood into charcoal
B
cooking an egg
C
dissolving salt in water
D
rusting iron
7) Sound is not made of matter because it has
A
no mass or volume
B
no mass
C
no volume
8) A substance that is made of atoms of more than one type chemically bound together is called a(n)
A
mixture
B
compound
C
element
D
mixture
9) When two or more pure substances are blended together, the result is a(n)
A
compound
B
molecule
C
element
D
mixture
10) For any pure substance, the boiling point and melting point will always
A
change as the ambient temperature changes
B
remain constant
C
change as the fuel source changes
*select an answer for all questions
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